package/inc/ByteGrabber.hxx

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   9  * This file incorporates work covered by the following license notice:
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX
  20 #define INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX
  21
  22 #include <com/sun/star/uno/Sequence.h>
  23 #include <com/sun/star/uno/Reference.h>
  24 #include <com/sun/star/io/BufferSizeExceededException.hpp>
  25 #include <com/sun/star/io/IOException.hpp>
  26 #include <com/sun/star/io/NotConnectedException.hpp>
  27 #include <com/sun/star/uno/RuntimeException.hpp>
  28 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  29
  30 #include <osl/mutex.hxx>
  31
  32 namespace com { namespace sun { namespace star {
  33     namespace io { class XSeekable; class XInputStream; }
  34 } } }
  35 class ByteGrabber
  36 {
  37 protected:
  38     ::osl::Mutex m_aMutex;
  39
  40     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
  41     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
  42     com::sun::star::uno::Sequence < sal_Int8 > aSequence;
  43     const sal_Int8 *pSequence;
  44
  45 public:
  46     ByteGrabber (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xIstream);
  47     ~ByteGrabber();
  48
  49     void setInputStream (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream);
  50     // XInputStream
  51     sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  52         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  53     // XSeekable
  54     sal_Int64 SAL_CALL seek( sal_Int64 location )
  55         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  56     sal_Int64 SAL_CALL getPosition(  )
  57         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  58     sal_Int64 SAL_CALL getLength(  )
  59         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  60
  61     sal_uInt16 ReadUInt16();
  62     sal_uInt32 ReadUInt32();
  63     sal_Int16 ReadInt16()
  64     {
  65         return static_cast<sal_Int16>(ReadUInt16());
  66     }
  67     sal_Int32 ReadInt32()
  68     {
  69         return static_cast<sal_Int32>(ReadUInt32());
  70     }
  71 };
  72
  73 #endif
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */